552321513 has 24 divisors (see below), whose sum is σ = 830868480. Its totient is φ = 353162880.

The previous prime is 552321509. The next prime is 552321521. The reversal of 552321513 is 315123255.

It is a happy number.

552321513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 552321513 - 2² = 552321509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552321503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22768 + ... + 40286.

It is an arithmetic number, because the mean of its divisors is an integer number (34619520).

Almost surely, 2^552321513 is an apocalyptic number.

It is an amenable number.

552321513 is a deficient number, since it is larger than the sum of its proper divisors (278546967).

552321513 is a wasteful number, since it uses less digits than its factorization.

552321513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17669 (or 17666 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 552321513 is about 23501.5215039367. The cubic root of 552321513 is about 820.4724191316.

Adding to 552321513 its reverse (315123255), we get a palindrome (867444768).

The spelling of 552321513 in words is "five hundred fifty-two million, three hundred twenty-one thousand, five hundred thirteen".